Common Problems

FreeBSD 12 — ghostscript9-agpl-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ghostscript9-agpl-nox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — denial of service (crash) via crafted Postscript files Related CVEs: CVE-2015-3228 Upstream summary: MITRE reports: Integer overflow in the gs_heap_alloc_bytes function in base/gsmalloc.c in Ghostscript 9.15 and earlier […]

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Ubuntu 16.04 — inspircd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — inspircd — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7405-1 Related CVEs: CVE-2016-7142 CVE-2019-20917 CVE-2020-25269 Upstream summary: It was discovered that InspIRCd did not correctly handle certificate fingerprints, which could lead to spoofing. A remote attacker could possibly use […]

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Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2020-4347)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4347 Related CVEs: CVE-2020-14803 CVE-2020-14782 CVE-2020-14796 CVE-2020-14781 CVE-2020-14792 CVE-2020-14779 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2020-0128)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0128 Related CVEs: CVE-2020-2583 CVE-2020-2655 CVE-2020-2590 CVE-2020-2593 CVE-2020-2601 CVE-2020-2604 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — flac — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — flac — vulnerability — patch and remediation guide (ELSA-2023-5046)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5046 Related CVEs: CVE-2020-22219 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 117955

Ubuntu 18.04 LTS – UFW rules applied but service still unreachable

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]

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Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202012-09 Related CVEs: CVE-2006-1681 CVE-2019-20798 CVE-2019-20799 CVE-2019-20800 CVE-2020-12845 Upstream summary: Multiple vulnerabilities have been discovered in Cherokee. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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FreeBSD 12 — eog — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — eog — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: eog — out-of-bounds write Related CVEs: CVE-2016-6855 Upstream summary: Felix Riemann reports: CVE-2016-6855 out-of-bounds write in eog 3.10.2. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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